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Electricity will do it. You can use a small battery and a beaker of water. Put a wire from each terminal into the water. The water will bubble as the electricity passes through. One electrode, the (+), or anode, will produce oxygen atoms, the other electrode, the (-), or cathode, will produce hydrogen atoms.

The process is called electrolysis. The bubbles can also be collected quite easily (oxygen gas from one terminal, hydrogen from the other), but that is another matter.

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16y ago

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